Combined petaloid base of a container
Container ( 1 ) made of plastic material comprising a body ( 2 ) and a petaloid bottom ( 3 ) extending the body ( 2 ), the bottom ( 3 ) comprising a bottom wall ( 4 ) that is generally convex towards the exterior, from which feet ( 5 ) protrude that are formed by excrescences, the feet being separated side by side by portions of the bottom wall forming hollow valleys ( 13 ) that extend radially from a central zone ( 6 ) of the bottom to a periphery ( 7 ) of the bottom, characterized in that each valley ( 13 ) widens out from the central zone ( 6 ) towards the periphery ( 7 ) and has a concave portion ( 15 ) located near the periphery ( 7 ).
1. A container made of plastic material comprising a body and a petaloid bottom extending the body, the bottom comprising a bottom wall that is generally convex towards an exterior, from which feet protrude that are formed by excrescences, the feet being separated side by side by portions of the bottom wall forming hollow valleys that extend radially from a central zone of the bottom to a periphery of the bottom, wherein each hollow valley widens out continuously from the central zone towards the periphery, the edges of the valleys form between them an angle that is not zero at any point, each hollow valley has an outer section that is outwardly concave in radial cross-section located near the periphery and the bottom comprises a groove of radial extension made in the bottom of each hollow valley.
2. The container according to claim 1 , characterized in that each valley has an angular opening of between 22° and 30°.
3. The container according to claim 2 , characterized in that each valley has an angular opening of about 25°.
4. The container according to claim 1 , characterized in that the concave outer section has a radius of curvature between 0.20 A and 0.70 A, where A is the overall diameter of the bottom.
5. The container according to claim 4 , characterized in that the concave outer section has a radius of curvature equal to 0.40 A.
6. The container according to claim 1 , characterized in that each foot is provided with an outer face that, in radial cross-section, has a convex profile whose radius of curvature is greater than the overall diameter of the bottom.
7. The container according to claim 6 , characterized in that the radius of curvature of the outer face is approximately equal to three times the overall diameter of the bottom.
8. The container according to claim 1 , wherein the petaloid bottom is formed by projecting feet, each having a bulb shape.
9. The container according to claim 1 , wherein, relative to a distal end of the bottom of the container, a height of the valleys of the bottom wall at outer radial ends is greater than a height of the central zone; and wherein a height of the valleys of the bottom wall at inner radial ends is at about a same level as the height of the central zone.
10. The container according to claim 1 , wherein each foot has a substantially triangular profile in radial cross-section of the petaloid bottom.
11. The container according to claim 1 , wherein the groove extends in an inward direction of the container.
12. The container according to claim 1 , wherein the container is configured to be supported on a flat surface in a plane by the feet of the petaloid bottom contacting the flat surface within an annular area in the plane, the annular area defined by inner and outer radial dimensions of the feet in the plane, and wherein a total area of the feet within the plane is less than a remaining area of the annular area that does not have the feet.
13. The container according to claim 1 , containing a carbonated beverage.
14. A container made of plastic material comprising:
a body, and
a petaloid bottom extending the body;
the petaloid bottom from which bulb shaped feet protrude that are formed by excrescences, the feet being separated side by side by portions of the bottom wall forming hollow valleys that extend radially from a central zone of the bottom to a periphery of the bottom, wherein each hollow valley widens continuously from the central zone towards the periphery, the edges of the valleys form between them an angle that is not zero at any point, each hollow valley has an outer section that is outwardly concave in radial cross-section located near the periphery and the bottom comprises a groove of radial extension made in the bottom of each hollow valley; and
wherein the bottom petaloid comprises an inner section that is outwardly convex in radial cross-section and at an inflexion transitions to an outer section that is outwardly concave in radial cross-section.
15. The container according to claim 14 , wherein the groove extends in an inward direction of the container.
16. The container according to claim 14 , wherein the container is configured to be supported on a flat surface in a plane by the feet of the petaloid bottom contacting the flat surface within an annular area in the plane, the annular area defined by inner and outer radial dimensions of the feet in the plane, and wherein a total area of the feet within the plane is less than a remaining area of the annular area that does not have the feet.